基于单片机温度控制系统——硬件部分

基于单片机温度控制系统——硬件部分摘 要：本系统采纳 STC89C52 单片机为检测控制中心,在硬件方面，主要应用性价比高的STC89C52 单片机、LCD1602 液晶显示屏、DS18B20 温度传感器、7805 三端稳压器等使用方便，价格适中的元器件，而软件方面，则使用 C 语言进行程序编写。基于设计成本和制作工艺的考虑，该系统设计在能满足基本的功能要求基础上尽量以低成本、高性能、可拓展原则来进行设计。关键词：温度控制、单片机、温度传感器 、温度测量Based on the single chip microcomputer temperature control system -- the hardware partAbstract: this system adopts the STC89C52 single-chip microcomputer to detect and control center, in the aspect of hardware, the main application of cost-effective STC89C52 SCM, LCD1602 LCD 7805 three-terminal voltage regulator, DS18B20 temperature sensor, such as easy to use, moderate price of components, and software, using C language for programming. The whole system design on the basis of can realize the basic function as far as possible at low cost, high performance and scalable principles for design. Keywords: temperature control, microcontroller, temperature sensors, temperature measurement 目录第 1 章 绪论.........................................................11.1 课题的背景及意义..............................................11.2 课题讨论的内容及要求..........................................11.2.1 课题讨论的内容.............................................11.2.2 课题讨论的要求.............................................21.3 课题的讨论方案................................................2第 2 章 设计理论基础.................................................42.1 STC89C52 系列单片机介绍.......................................42.1.1 STC89C52 系列引脚功能......................................42.2 LCD1602 液晶显示屏[4]...........................................62.3 DS18B20 温度传感器............................................72.4 7805 三端稳压器....